Numerical Results of Viscoelastic Fluid Flow in a Pipe filled with and without porous media via model of Darcy-Brinkman associated with Constitutive Oldroyd–B Model. . Sindh. Uni. Res. J. SS [Internet]. 2020 Apr. 26 [cited 2026 Nov. 6];50(4). Available from: https://sujo.usindh.edu.pk/index.php/SURJ/article/view/1086